CSRF in MediaWiki
CVE-2020-29004
The API in the Push extension for MediaWiki through 1.35 did not require an edit token in ApiPushBase.php and therefore facilitated a CSRF attack.
Vulnerability class: CSRF (Cross-Site Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.007 (51.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 51.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
Weakness classification (CWE)
References
- phabricator.wikimedia.org/T262724 (Patch, Issue Tracking, Vendor Advisory)
- gerrit.wikimedia.org/r/c/mediawiki/extensions/Push/+/625988 (Patch, Vendor Advisory)
- gerrit.wikimedia.org/r/c/mediawiki/extensions/Push/+/625988/10/src/api/ApiPushB… (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-29004?
- CVE-2020-29004 is a high-severity vulnerability in MediaWiki, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2021-01-29.
- How severe is CVE-2020-29004?
- High severity. CVSS v3 base score is 8.8 out of 10.